notify.c revision 252726
1/*
2 * wpa_supplicant - Event notifications
3 * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9#include "utils/includes.h"
10
11#include "utils/common.h"
12#include "common/wpa_ctrl.h"
13#include "config.h"
14#include "wpa_supplicant_i.h"
15#include "wps_supplicant.h"
16#include "dbus/dbus_common.h"
17#include "dbus/dbus_old.h"
18#include "dbus/dbus_new.h"
19#include "rsn_supp/wpa.h"
20#include "driver_i.h"
21#include "scan.h"
22#include "p2p_supplicant.h"
23#include "sme.h"
24#include "notify.h"
25
26int wpas_notify_supplicant_initialized(struct wpa_global *global)
27{
28#ifdef CONFIG_DBUS
29	if (global->params.dbus_ctrl_interface) {
30		global->dbus = wpas_dbus_init(global);
31		if (global->dbus == NULL)
32			return -1;
33	}
34#endif /* CONFIG_DBUS */
35
36	return 0;
37}
38
39
40void wpas_notify_supplicant_deinitialized(struct wpa_global *global)
41{
42#ifdef CONFIG_DBUS
43	if (global->dbus)
44		wpas_dbus_deinit(global->dbus);
45#endif /* CONFIG_DBUS */
46}
47
48
49int wpas_notify_iface_added(struct wpa_supplicant *wpa_s)
50{
51	if (wpas_dbus_register_iface(wpa_s))
52		return -1;
53
54	if (wpas_dbus_register_interface(wpa_s))
55		return -1;
56
57	return 0;
58}
59
60
61void wpas_notify_iface_removed(struct wpa_supplicant *wpa_s)
62{
63	/* unregister interface in old DBus ctrl iface */
64	wpas_dbus_unregister_iface(wpa_s);
65
66	/* unregister interface in new DBus ctrl iface */
67	wpas_dbus_unregister_interface(wpa_s);
68}
69
70
71void wpas_notify_state_changed(struct wpa_supplicant *wpa_s,
72			       enum wpa_states new_state,
73			       enum wpa_states old_state)
74{
75	/* notify the old DBus API */
76	wpa_supplicant_dbus_notify_state_change(wpa_s, new_state,
77						old_state);
78
79	/* notify the new DBus API */
80	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_STATE);
81
82#ifdef CONFIG_P2P
83	if (new_state == WPA_COMPLETED)
84		wpas_p2p_notif_connected(wpa_s);
85	else if (old_state >= WPA_ASSOCIATED && new_state < WPA_ASSOCIATED)
86		wpas_p2p_notif_disconnected(wpa_s);
87#endif /* CONFIG_P2P */
88
89	sme_state_changed(wpa_s);
90
91#ifdef ANDROID
92	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
93		     "id=%d state=%d BSSID=" MACSTR,
94		     wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
95		     new_state, MAC2STR(wpa_s->pending_bssid));
96#endif /* ANDROID */
97}
98
99
100void wpas_notify_disconnect_reason(struct wpa_supplicant *wpa_s)
101{
102	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_DISCONNECT_REASON);
103}
104
105
106void wpas_notify_network_changed(struct wpa_supplicant *wpa_s)
107{
108	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_NETWORK);
109}
110
111
112void wpas_notify_ap_scan_changed(struct wpa_supplicant *wpa_s)
113{
114	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_AP_SCAN);
115}
116
117
118void wpas_notify_bssid_changed(struct wpa_supplicant *wpa_s)
119{
120	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_BSS);
121}
122
123
124void wpas_notify_auth_changed(struct wpa_supplicant *wpa_s)
125{
126	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_CURRENT_AUTH_MODE);
127}
128
129
130void wpas_notify_network_enabled_changed(struct wpa_supplicant *wpa_s,
131					 struct wpa_ssid *ssid)
132{
133	wpas_dbus_signal_network_enabled_changed(wpa_s, ssid);
134}
135
136
137void wpas_notify_network_selected(struct wpa_supplicant *wpa_s,
138				  struct wpa_ssid *ssid)
139{
140	wpas_dbus_signal_network_selected(wpa_s, ssid->id);
141}
142
143
144void wpas_notify_network_request(struct wpa_supplicant *wpa_s,
145				 struct wpa_ssid *ssid,
146				 enum wpa_ctrl_req_type rtype,
147				 const char *default_txt)
148{
149	wpas_dbus_signal_network_request(wpa_s, ssid, rtype, default_txt);
150}
151
152
153void wpas_notify_scanning(struct wpa_supplicant *wpa_s)
154{
155	/* notify the old DBus API */
156	wpa_supplicant_dbus_notify_scanning(wpa_s);
157
158	/* notify the new DBus API */
159	wpas_dbus_signal_prop_changed(wpa_s, WPAS_DBUS_PROP_SCANNING);
160}
161
162
163void wpas_notify_scan_done(struct wpa_supplicant *wpa_s, int success)
164{
165	wpas_dbus_signal_scan_done(wpa_s, success);
166}
167
168
169void wpas_notify_scan_results(struct wpa_supplicant *wpa_s)
170{
171	/* notify the old DBus API */
172	wpa_supplicant_dbus_notify_scan_results(wpa_s);
173
174	wpas_wps_notify_scan_results(wpa_s);
175}
176
177
178void wpas_notify_wps_credential(struct wpa_supplicant *wpa_s,
179				const struct wps_credential *cred)
180{
181#ifdef CONFIG_WPS
182	/* notify the old DBus API */
183	wpa_supplicant_dbus_notify_wps_cred(wpa_s, cred);
184	/* notify the new DBus API */
185	wpas_dbus_signal_wps_cred(wpa_s, cred);
186#endif /* CONFIG_WPS */
187}
188
189
190void wpas_notify_wps_event_m2d(struct wpa_supplicant *wpa_s,
191			       struct wps_event_m2d *m2d)
192{
193#ifdef CONFIG_WPS
194	wpas_dbus_signal_wps_event_m2d(wpa_s, m2d);
195#endif /* CONFIG_WPS */
196}
197
198
199void wpas_notify_wps_event_fail(struct wpa_supplicant *wpa_s,
200				struct wps_event_fail *fail)
201{
202#ifdef CONFIG_WPS
203	wpas_dbus_signal_wps_event_fail(wpa_s, fail);
204#endif /* CONFIG_WPS */
205}
206
207
208void wpas_notify_wps_event_success(struct wpa_supplicant *wpa_s)
209{
210#ifdef CONFIG_WPS
211	wpas_dbus_signal_wps_event_success(wpa_s);
212#endif /* CONFIG_WPS */
213}
214
215
216void wpas_notify_network_added(struct wpa_supplicant *wpa_s,
217			       struct wpa_ssid *ssid)
218{
219	/*
220	 * Networks objects created during any P2P activities should not be
221	 * exposed out. They might/will confuse certain non-P2P aware
222	 * applications since these network objects won't behave like
223	 * regular ones.
224	 */
225	if (wpa_s->global->p2p_group_formation != wpa_s)
226		wpas_dbus_register_network(wpa_s, ssid);
227}
228
229
230void wpas_notify_persistent_group_added(struct wpa_supplicant *wpa_s,
231					struct wpa_ssid *ssid)
232{
233#ifdef CONFIG_P2P
234	wpas_dbus_register_persistent_group(wpa_s, ssid);
235#endif /* CONFIG_P2P */
236}
237
238
239void wpas_notify_persistent_group_removed(struct wpa_supplicant *wpa_s,
240					  struct wpa_ssid *ssid)
241{
242#ifdef CONFIG_P2P
243	wpas_dbus_unregister_persistent_group(wpa_s, ssid->id);
244#endif /* CONFIG_P2P */
245}
246
247
248void wpas_notify_network_removed(struct wpa_supplicant *wpa_s,
249				 struct wpa_ssid *ssid)
250{
251	if (wpa_s->wpa)
252		wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
253	if (wpa_s->global->p2p_group_formation != wpa_s)
254		wpas_dbus_unregister_network(wpa_s, ssid->id);
255#ifdef CONFIG_P2P
256	wpas_p2p_network_removed(wpa_s, ssid);
257#endif /* CONFIG_P2P */
258}
259
260
261void wpas_notify_bss_added(struct wpa_supplicant *wpa_s,
262			   u8 bssid[], unsigned int id)
263{
264	wpas_dbus_register_bss(wpa_s, bssid, id);
265	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_ADDED "%u " MACSTR,
266		     id, MAC2STR(bssid));
267}
268
269
270void wpas_notify_bss_removed(struct wpa_supplicant *wpa_s,
271			     u8 bssid[], unsigned int id)
272{
273	wpas_dbus_unregister_bss(wpa_s, bssid, id);
274	wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_BSS_REMOVED "%u " MACSTR,
275		     id, MAC2STR(bssid));
276}
277
278
279void wpas_notify_bss_freq_changed(struct wpa_supplicant *wpa_s,
280				  unsigned int id)
281{
282	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_FREQ, id);
283}
284
285
286void wpas_notify_bss_signal_changed(struct wpa_supplicant *wpa_s,
287				    unsigned int id)
288{
289	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_SIGNAL,
290					  id);
291}
292
293
294void wpas_notify_bss_privacy_changed(struct wpa_supplicant *wpa_s,
295				     unsigned int id)
296{
297	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_PRIVACY,
298					  id);
299}
300
301
302void wpas_notify_bss_mode_changed(struct wpa_supplicant *wpa_s,
303				  unsigned int id)
304{
305	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_MODE, id);
306}
307
308
309void wpas_notify_bss_wpaie_changed(struct wpa_supplicant *wpa_s,
310				   unsigned int id)
311{
312	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPA, id);
313}
314
315
316void wpas_notify_bss_rsnie_changed(struct wpa_supplicant *wpa_s,
317				   unsigned int id)
318{
319	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RSN, id);
320}
321
322
323void wpas_notify_bss_wps_changed(struct wpa_supplicant *wpa_s,
324				 unsigned int id)
325{
326#ifdef CONFIG_WPS
327	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_WPS, id);
328#endif /* CONFIG_WPS */
329}
330
331
332void wpas_notify_bss_ies_changed(struct wpa_supplicant *wpa_s,
333				   unsigned int id)
334{
335	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_IES, id);
336}
337
338
339void wpas_notify_bss_rates_changed(struct wpa_supplicant *wpa_s,
340				   unsigned int id)
341{
342	wpas_dbus_bss_signal_prop_changed(wpa_s, WPAS_DBUS_BSS_PROP_RATES, id);
343}
344
345
346void wpas_notify_blob_added(struct wpa_supplicant *wpa_s, const char *name)
347{
348	wpas_dbus_signal_blob_added(wpa_s, name);
349}
350
351
352void wpas_notify_blob_removed(struct wpa_supplicant *wpa_s, const char *name)
353{
354	wpas_dbus_signal_blob_removed(wpa_s, name);
355}
356
357
358void wpas_notify_debug_level_changed(struct wpa_global *global)
359{
360	wpas_dbus_signal_debug_level_changed(global);
361}
362
363
364void wpas_notify_debug_timestamp_changed(struct wpa_global *global)
365{
366	wpas_dbus_signal_debug_timestamp_changed(global);
367}
368
369
370void wpas_notify_debug_show_keys_changed(struct wpa_global *global)
371{
372	wpas_dbus_signal_debug_show_keys_changed(global);
373}
374
375
376void wpas_notify_suspend(struct wpa_global *global)
377{
378	struct wpa_supplicant *wpa_s;
379
380	os_get_time(&global->suspend_time);
381	wpa_printf(MSG_DEBUG, "System suspend notification");
382	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next)
383		wpa_drv_suspend(wpa_s);
384}
385
386
387void wpas_notify_resume(struct wpa_global *global)
388{
389	struct os_time now;
390	int slept;
391	struct wpa_supplicant *wpa_s;
392
393	if (global->suspend_time.sec == 0)
394		slept = -1;
395	else {
396		os_get_time(&now);
397		slept = now.sec - global->suspend_time.sec;
398	}
399	wpa_printf(MSG_DEBUG, "System resume notification (slept %d seconds)",
400		   slept);
401
402	for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
403		wpa_drv_resume(wpa_s);
404		if (wpa_s->wpa_state == WPA_DISCONNECTED)
405			wpa_supplicant_req_scan(wpa_s, 0, 100000);
406	}
407}
408
409
410#ifdef CONFIG_P2P
411
412void wpas_notify_p2p_device_found(struct wpa_supplicant *wpa_s,
413				  const u8 *dev_addr, int new_device)
414{
415	if (new_device) {
416		/* Create the new peer object */
417		wpas_dbus_register_peer(wpa_s, dev_addr);
418	}
419
420	/* Notify a new peer has been detected*/
421	wpas_dbus_signal_peer_device_found(wpa_s, dev_addr);
422}
423
424
425void wpas_notify_p2p_device_lost(struct wpa_supplicant *wpa_s,
426				 const u8 *dev_addr)
427{
428	wpas_dbus_unregister_peer(wpa_s, dev_addr);
429
430	/* Create signal on interface object*/
431	wpas_dbus_signal_peer_device_lost(wpa_s, dev_addr);
432}
433
434
435void wpas_notify_p2p_group_removed(struct wpa_supplicant *wpa_s,
436				   const struct wpa_ssid *ssid,
437				   const char *role)
438{
439	wpas_dbus_unregister_p2p_group(wpa_s, ssid);
440
441	wpas_dbus_signal_p2p_group_removed(wpa_s, role);
442}
443
444
445void wpas_notify_p2p_go_neg_req(struct wpa_supplicant *wpa_s,
446				const u8 *src, u16 dev_passwd_id)
447{
448	wpas_dbus_signal_p2p_go_neg_req(wpa_s, src, dev_passwd_id);
449}
450
451
452void wpas_notify_p2p_go_neg_completed(struct wpa_supplicant *wpa_s,
453				      struct p2p_go_neg_results *res)
454{
455	wpas_dbus_signal_p2p_go_neg_resp(wpa_s, res);
456}
457
458
459void wpas_notify_p2p_invitation_result(struct wpa_supplicant *wpa_s,
460				       int status, const u8 *bssid)
461{
462	wpas_dbus_signal_p2p_invitation_result(wpa_s, status, bssid);
463}
464
465
466void wpas_notify_p2p_sd_request(struct wpa_supplicant *wpa_s,
467				int freq, const u8 *sa, u8 dialog_token,
468				u16 update_indic, const u8 *tlvs,
469				size_t tlvs_len)
470{
471	wpas_dbus_signal_p2p_sd_request(wpa_s, freq, sa, dialog_token,
472					update_indic, tlvs, tlvs_len);
473}
474
475
476void wpas_notify_p2p_sd_response(struct wpa_supplicant *wpa_s,
477				 const u8 *sa, u16 update_indic,
478				 const u8 *tlvs, size_t tlvs_len)
479{
480	wpas_dbus_signal_p2p_sd_response(wpa_s, sa, update_indic,
481					 tlvs, tlvs_len);
482}
483
484
485/**
486 * wpas_notify_p2p_provision_discovery - Notification of provision discovery
487 * @dev_addr: Who sent the request or responded to our request.
488 * @request: Will be 1 if request, 0 for response.
489 * @status: Valid only in case of response (0 in case of success)
490 * @config_methods: WPS config methods
491 * @generated_pin: PIN to be displayed in case of WPS_CONFIG_DISPLAY method
492 *
493 * This can be used to notify:
494 * - Requests or responses
495 * - Various config methods
496 * - Failure condition in case of response
497 */
498void wpas_notify_p2p_provision_discovery(struct wpa_supplicant *wpa_s,
499					 const u8 *dev_addr, int request,
500					 enum p2p_prov_disc_status status,
501					 u16 config_methods,
502					 unsigned int generated_pin)
503{
504	wpas_dbus_signal_p2p_provision_discovery(wpa_s, dev_addr, request,
505						 status, config_methods,
506						 generated_pin);
507}
508
509
510void wpas_notify_p2p_group_started(struct wpa_supplicant *wpa_s,
511				   struct wpa_ssid *ssid, int network_id,
512				   int client)
513{
514	/* Notify a group has been started */
515	wpas_dbus_register_p2p_group(wpa_s, ssid);
516
517	wpas_dbus_signal_p2p_group_started(wpa_s, ssid, client, network_id);
518}
519
520
521void wpas_notify_p2p_wps_failed(struct wpa_supplicant *wpa_s,
522				struct wps_event_fail *fail)
523{
524	wpas_dbus_signal_p2p_wps_failed(wpa_s, fail);
525}
526
527#endif /* CONFIG_P2P */
528
529
530static void wpas_notify_ap_sta_authorized(struct wpa_supplicant *wpa_s,
531					  const u8 *sta,
532					  const u8 *p2p_dev_addr)
533{
534#ifdef CONFIG_P2P
535	wpas_p2p_notify_ap_sta_authorized(wpa_s, p2p_dev_addr);
536
537	/*
538	 * Register a group member object corresponding to this peer and
539	 * emit a PeerJoined signal. This will check if it really is a
540	 * P2P group.
541	 */
542	wpas_dbus_register_p2p_groupmember(wpa_s, sta);
543
544	/*
545	 * Create 'peer-joined' signal on group object -- will also
546	 * check P2P itself.
547	 */
548	wpas_dbus_signal_p2p_peer_joined(wpa_s, sta);
549#endif /* CONFIG_P2P */
550}
551
552
553static void wpas_notify_ap_sta_deauthorized(struct wpa_supplicant *wpa_s,
554					    const u8 *sta)
555{
556#ifdef CONFIG_P2P
557	/*
558	 * Unregister a group member object corresponding to this peer
559	 * if this is a P2P group.
560	 */
561	wpas_dbus_unregister_p2p_groupmember(wpa_s, sta);
562
563	/*
564	 * Create 'peer-disconnected' signal on group object if this
565	 * is a P2P group.
566	 */
567	wpas_dbus_signal_p2p_peer_disconnected(wpa_s, sta);
568#endif /* CONFIG_P2P */
569}
570
571
572void wpas_notify_sta_authorized(struct wpa_supplicant *wpa_s,
573				const u8 *mac_addr, int authorized,
574				const u8 *p2p_dev_addr)
575{
576	if (authorized)
577		wpas_notify_ap_sta_authorized(wpa_s, mac_addr, p2p_dev_addr);
578	else
579		wpas_notify_ap_sta_deauthorized(wpa_s, mac_addr);
580}
581
582
583void wpas_notify_certification(struct wpa_supplicant *wpa_s, int depth,
584			       const char *subject, const char *cert_hash,
585			       const struct wpabuf *cert)
586{
587	wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_EAP_PEER_CERT
588		"depth=%d subject='%s'%s%s",
589		depth, subject,
590		cert_hash ? " hash=" : "",
591		cert_hash ? cert_hash : "");
592
593	if (cert) {
594		char *cert_hex;
595		size_t len = wpabuf_len(cert) * 2 + 1;
596		cert_hex = os_malloc(len);
597		if (cert_hex) {
598			wpa_snprintf_hex(cert_hex, len, wpabuf_head(cert),
599					 wpabuf_len(cert));
600			wpa_msg_ctrl(wpa_s, MSG_INFO,
601				     WPA_EVENT_EAP_PEER_CERT
602				     "depth=%d subject='%s' cert=%s",
603				     depth, subject, cert_hex);
604			os_free(cert_hex);
605		}
606	}
607
608	/* notify the old DBus API */
609	wpa_supplicant_dbus_notify_certification(wpa_s, depth, subject,
610						 cert_hash, cert);
611	/* notify the new DBus API */
612	wpas_dbus_signal_certification(wpa_s, depth, subject, cert_hash, cert);
613}
614
615
616void wpas_notify_preq(struct wpa_supplicant *wpa_s,
617		      const u8 *addr, const u8 *dst, const u8 *bssid,
618		      const u8 *ie, size_t ie_len, u32 ssi_signal)
619{
620#ifdef CONFIG_AP
621	wpas_dbus_signal_preq(wpa_s, addr, dst, bssid, ie, ie_len, ssi_signal);
622#endif /* CONFIG_AP */
623}
624
625
626void wpas_notify_eap_status(struct wpa_supplicant *wpa_s, const char *status,
627			    const char *parameter)
628{
629	wpas_dbus_signal_eap_status(wpa_s, status, parameter);
630}
631